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is the only UK based supplier with sports related shoes, but I did not see much of the running shoes. I tried to search outside of our SaleHoo directory, came across Link hidden: Login to view
which is an online retail store specializing on running shoes (in case you need pricing comparisons) and the wholesale supplier I have seen is Link hidden: Login to view
Please note that this is not listed at SaleHoo yet and we advise that you use safe payment methods (such as credit cards).
Sorry that I wasn't able to provide much help.